440s
440skengwagasometšhupamabakeng ya Gregorianwa go thoma ka 1Pherekgong440 ya fela ka 31Manthole449. Ngwagasome 440s o welangwagengkgolo wa 5.
| Ngwagakete: | Ngwagakete 1 |
| Mengwagakgolo: | Ngwagakgolo 4–Ngwagakgolo 5–Ngwagakgolo 6 |
| Mengwagasome: | 410s420s430s–440s–450s460s470s |
| Mengwaga: | 440441442443444445446447448449 |
| 440s-tšago tswalanya: |